<template>
  <div class="employees-container">
    <div class="app-container">
      <page-tools>
        <template #left>
          <span>总记录数: {{ total }} 条</span>
        </template>
        <template #right>
          <el-button type="warning" size="small" @click="$router.push('/import')">excel导入</el-button>
          <el-button type="danger" size="small" @click="exportExcel">excel导出</el-button>
          <el-button type="primary" size="small" @click="showDialog=true">新增员工</el-button>
        </template>
      </page-tools>

      <el-card style="margin-top: 10px;">
        <el-table border :data="list" :default-sort="{prop: 'timeOfEntry', order: 'descending'}">
          <el-table-column label="序号" type="index" />
          <el-table-column label="姓名" prop="username" />
          <el-table-column>
            <template #default="{row}">
              <img v-imgerror="require('@/assets/common/bigUserHeader.png')" :src="row.staffPhoto" alt="" style="width:100%" @click="showCode(row.staffPhoto)">
            </template>
          </el-table-column>
          <el-table-column label="工号" prop="workNumber" />
          <el-table-column label="聘用形式" prop="formOfEmployment">
            <template #default="{row}">
              {{ formatData(row.formOfEmployment) }}
            </template>
          </el-table-column>
          <el-table-column label="部门" prop="departmentName" />
          <el-table-column label="入职时间" prop="timeOfEntry" sortable />
          <!-- <el-table-column label="账户状态" prop=""/> -->
          <el-table-column label="操作" width="280">
            <template #default="{row}">
              <el-button type="text" size="small" @click="$router.push(`/employees/detail/${row.id}`)">查看</el-button>
              <el-button type="text" size="small">分配角色</el-button>
              <el-button type="text" size="small" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row type="flex" justify="center" align="middle" style="height: 60px">
          <el-pagination
            layout="prev, pager, next"
            :current-page="pageParams.page"
            :page-size="pageParams.size"
            :total="total"
            @current-change="handleCurrentChange"
          />

          <!-- <el-pagination
            :current-page="currentPage4"
            :page-sizes="[100, 200, 300, 400]"
            :page-size="100"
            layout="total, sizes, prev, pager, next, jumper"
            :total="400"
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
          /> -->
        </el-row>
      </el-card>

      <el-dialog v-if="showDialog" title="新增员工" :visible.sync="showDialog">
        <addEmploy @close="showDialog=false" @success="hSuccess" />
      </el-dialog>

      <!-- 新增二维码的图片 -->
      <el-dialog title="生成二维码图片" :visible.sync="showCodeDialog">
        <el-row type="flex" justify="center">
          <canvas ref="myCanvas" />
        </el-row>
      </el-dialog>
    </div>
  </div>
</template>

<script>

import addEmploy from './empDialog.vue'
import { getEmployees, delEmployees } from '@/api/employees'
import employeesEnum from '@/constant/employees'
console.log(employeesEnum, 'employeesEnum')
console.log(employeesEnum.hireType, 'employeesEnum.hireType')
import QRCode from 'qrcode'
// const hireType = {} // {1:'正式',2:'非正式'}
// employeesEnum.hireType.forEach(item => {
//   hireType[item.id] = item.value
// })

const hireType = employeesEnum.hireType.reduce((acc, item) => {
  acc[item.id] = item.value
  return acc
}, {})
console.log(hireType, 'hireType')
export default {
  components: {
    addEmploy
  },
  data() {
    return {
      showCodeDialog: false,
      list: [],
      pageParams: {
        page: 2,
        size: 5

      },
      total: 0,
      showDialog: false
    }
  },
  created() {
    this.loadEmployees()
  },
  methods: {
    showCode(url) {
      if (url) {
        this.showCodeDialog = true
        this.$nextTick(() => {
          const canvas = this.$refs.myCanvas
          QRCode.toCanvas(canvas, url)
        })
      } else {
        this.$message.error('请传入正确的图片')
      }
    },
    exportExcel() {
      const { tHeader, data } = this.transZhKeyToExcel(this.list)
      // import('@/vendor/Export2Excel')  懒加载的方式导入一个模块， 返回值是一个promise实例
      import('@/vendor/Export2Excel').then(excel => {
        // excel指的模块对象，那么就可以使用这个模块对象去调用这个模块里面的函数或者访问变量   excel.函数名()
        // const tHeader = ['Id', 'Title', 'Author', 'Readings', 'Date']
        // const filterVal = ['id', 'title', 'author', 'pageviews', 'display_time']
        // const list = this.list
        // console.log(list, 'listaaaaaaaaaaaaaaaaaaaa')
        // const data = this.formatJson(filterVal, list)
        // console.log(data, 'dataaaaaaaaaaaaaaaaa') // [[1,'三体','刘慈欣',100000,'2022-11-05'],[2,'西游记','吴承恩',100000,'1995-11-05']]
        // const data = [[1, '三体', '刘慈欣', 100000, '2022-11-05'], [2, '西游记', '吴承恩', 100000, '1995-11-05']]
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: this.filename,
          autoWidth: this.autoWidth,
          bookType: this.bookType
        })
      })
    },
    transZhKeyToExcel(list) {
      const mapInfo = {
        'id': '编号',
        'password': '密码',
        'mobile': '手机号',
        'username': '姓名',
        'timeOfEntry': '入职日期',
        'formOfEmployment': '聘用形式',
        'correctionTime': '转正日期',
        'workNumber': '工号',
        'departmentName': '部门',
        'staffPhoto': '头像地址'
      }
      // header =  ['转正日期', '部门', '聘用形式', '编号', '手机号', '密码', '头像地址', '入职日期', '姓名', '工号']
      // 1. 获取表头
      const one = list[0]

      if (!one) return

      const tHeader = Object.keys(one).map(enkey => {
        return mapInfo[enkey]
      })

      // 2. 将每一个对象对象中的值存到一个数组中 ，将每个数组存储到大数组中
      const data = list.map(item => {
        //   console.log(' Object.values(item)', Object.values(item));
        return Object.values(item)
      })
      // console.log(headers);
      // console.log(data);

      return { tHeader, data }
    },
    hDel(id) {
      this.$confirm('你确定删除该部门吗, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 做删除
        const res = await delEmployees(id)
        console.log(res, 'delEmployees')
        if (res.code === 10000) {
          this.$message.success(res.message)
          if (this.list.length === 1) {
            this.pageParams.page--
            if (this.pageParams.page <= 0) {
              this.pageParams.page = 1
            }
          }
          this.loadEmployees()
        }
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    hSuccess() {
      this.total++
      const maxPage = Math.ceil(this.total / this.pageParams.page)
      this.pageParams.page = maxPage
      this.loadEmployees()
      this.showDialog = false
    },
    handleCurrentChange(val) {
      // if (this.list.length === 0) return
      this.pageParams.page = val
      this.loadEmployees()
    },
    formatData(id) {
      console.log(id, 'id')
      // return employeesEnum.hireType.find(item => item.id === id).value 浪费性能
      return hireType[id] || '未知'// 提高了性能
    },
    async loadEmployees() {
      try {
        const res = await getEmployees(this.pageParams)
        console.log(res, 'getEmployees')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.list = res.data.rows
        this.total = res.data.total
      } catch (error) {
        console.log(error)
      }
    }

  }
}
</script>
